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CVE-2026-28313— SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability

CVSS 4.7 · Medium EPSS 0.34% · P27

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
SolarWindsServ-U15.5.4 HF1 and belowaffected
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I. Basic Information for CVE-2026-28313

Vulnerability Information
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Vulnerability Title
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to SMTP hijacking leading to arbitrary account takeover. The impact is lower in Windows deployments.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
SolarWinds Serv-U 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SolarWinds serv-u是美国SolarWinds公司的一款文件传输服务器。 SolarWinds Serv-U 15.5.4 HF1及之前版本存在授权问题漏洞，该漏洞源于不安全的直接对象引用，可能导致SMTP劫持进而导致任意账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
SolarWindsServ-U 15.5.4 HF1 and below -

II. Public POCs for CVE-2026-28313

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-28313

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Vendor Pages for CVE-2026-28313 (1)

Other References for CVE-2026-28313 (1)

Same Patch Batch · SolarWinds · 2026-07-21 · 15 CVEs total

CVE-2026-283156.2 MEDIUMSolarWinds Serv-U Authenticated Stored Cross-site Scripting (XSS) Vulnerability
CVE-2026-283074.7 MEDIUMSolarWinds Serv-U Privilege Escalation Vulnerability
CVE-2026-283174.7 MEDIUMSolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-283094.7 MEDIUMSolarWinds Serv-U Broken Access Control Vulnerability
CVE-2026-283104.7 MEDIUMSolarWinds Serv-U Privilege Escalation Vulnerability
CVE-2026-283214.7 MEDIUMSolarWinds Serv-U Broken Access Control Vulnerability
CVE-2026-283084.7 MEDIUMSolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-283164.7 MEDIUMSolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-283064.7 MEDIUMSolarWinds Serv-U Privilege Escalation Vulnerability
CVE-2026-283044.7 MEDIUMSolarWinds Serv-U Remote Code Execution Vulnerability
CVE-2026-283024.7 MEDIUMSolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-283054.7 MEDIUMSolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-283144.7 MEDIUMSolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-283124.7 MEDIUMSolarWinds Serv-U Privilege Escalation Vulnerability

IV. Related Vulnerabilities

Same product: Serv-U
Same vendor: SolarWinds
Same weakness: CWE-639

V. Comments for CVE-2026-28313

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